import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/html")
public class htmlServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        resp.setContentType("text/html;charset=utf-8");
        StringBuilder html = new StringBuilder();
        html.append("<html>");
        html.append("<head><title>html页面</title></head>");
        html.append("<body><h3>你好</h3></body>");
        html.append("</html>");
        resp.getWriter().write(html.toString());
    }
}
